<div class="control-group js_uploadBox">
    <div class="btn-upload">
      <a href="javascript:void(0);"><i class="icon-upload"></i><span class="js_uploadText">上传</span>图片</a>
      <input class="js_upFile" type="file" name="cover">
    </div>
    
    <div class="js_showBox "><img class="js_logoBox" src="" width="100px" ></div>
</div>